Two versions are available, namely the USB mini-A and the USB Mini-B. USB 3.1 preserves the existing SuperSpeed transfer rate, giving it the new label USB 3.1 Gen 1,[4][5] while defining a new SuperSpeed+ transfer mode, called USB 3.1 Gen 2[4] which can transfer data at up to 10 Gbit/s over the existing USB3-type-A and USB-C connectors (1250 MB/s, twice the rate of USB 3.0).[6][7]. For everything from distribution to test equipment, components and more, our directory covers it. [63][64], USB 3.2 is supported with the default Windows 10 USB drivers and in Linux Kernel 4.18.

USB 3     As a result there are many USB connector types: USB Type A, USB Type B, Mini-A, Mini-B, Micro-A, Micro-B and Micro-AB. USB 3.0 combines USB 2.0 bus and new SuperSpeed bus with transfer rate up to 5.0 Gbit/s, which is about ten times faster than the USB 2.0 standard. The braid should be terminated on the metal shell of the connector. Among other improvements, USB 3.0 adds the new transfer rate referred to as SuperSpeed USB (SS) that can transfer data at up to 5 Gbit/s (625 MB/s), which is about 10 times faster than the USB 2.0 standard. USB 3.0 also introduced a new Micro-B cable plug, which consists of a standard USB 1.x/2.0 Micro-B cable plug, with additional 5-pin plug stacked on side of it. The standard mini USB connector has five pins: Looking at the mini connector on a cable, pins are numbered 1-4 (X included), ascending, from left to right.

In reality the SS bus has some additional service overhead (link management, protocol response, host latencies), so the best-case achievable data rates are about 10% smaller. [Converter, Adapter, Cables] [Software] In January 2013 the USB group announced plans to update USB 3.0 to 10 Gbit/s (1250 MB/s).

Later the USB C Type was introduced to provide a more robust system with better data transfer performance. The micro-B connector is 6.85 by 1.8 mm and this one has a maximum over-mould size of 10.6 by 8.5 mm. Not connected, although it can sometimes be ground or used as a presence indicator. A new feature is the SuperSpeed bus, which provides a fourth transfer mode at 5.0 Gbit/s. The USB A Type connector is the format that is probably most familiar. The SuperSpeed transaction is initiated by a host request, followed by a response from the device. Since transmission of every byte takes 10 bit times, the raw data overhead is 20%, so the byte rate is 500 MB/s, not 625. Mobile Communications basics     [57] The first USB 3.1 Gen 2 implementation demonstrated real-world transfer speeds of 7.2 Gbit/s.[58]. the Gigabyte Technology P55A-UD4 or P55A-UD6) have a manual switch (in BIOS) that can connect the USB 3.0 chip to the processor (instead of the PCH), which did provide full-speed PCI Express 2.0 connectivity even then, but this meant using fewer PCI Express 2.0 lanes for the graphics card. Therefore, the byte-rate at SS+ is 128/132 * 10 Gbit/s = 9.697 GBit/s = 1212 MB/s. 5) USB A male to USB C male.

The Mini-A and Mini-B plugs are approximately 3 by 7 mm. [10], Unlike previous standards, the USB 3.0 standard does not specify a maximum cable length, requiring only that all cables meet an electrical specification: for copper cabling with AWG 26 wires, the maximum practical length is 3 meters (9.8 ft). [48] When manufacturers were unable to resolve the interference issues in time, some mobile devices, such as the Vivo Xplay 3S, had to drop support for USB 3.0 just before they shipped.

The USB B Type socket is an "upstream" connector that is only used on peripheral devices.


Accounting for the encoding overhead, the raw data throughput is 4 Gbit/s, and the specification considers it reasonable to achieve 3.2 Gbit/s (400 MB/s) or more in practice. Similar to the USB A connector, the B type connector uses the friction to retain the connector in place. This enables them to be used in much thinner items of electronic equipment. USB 3.0 Type B plugs are larger than USB 2.0 (or earlier) Type-B plugs; therefore, USB 3.0 Type-B plugs cannot be inserted into USB 2.0 (or earlier) Type-B receptacles. [Home], This page covers USB 3.0, refer here for USB 2.0. Copyright © 2000-2019 by team, except user uploaded images. Do not be tempted to connect computers in this way. Ethernet    

This page was last edited on 31 October 2020, at 02:15.

USB 3.0 is the successor of USB 2.0. [29] In Windows 7 support was not included with the initial release of the operating system. [21] On 14 September 2009, Freecom announced a USB 3.0 external hard drive. USB 3.0 receptacles are backward compatible with USB 2.0 connectors.

[53] The group ended up creating a new USB specification, USB 3.1, which was released on 31 July 2013,[54] replacing the USB 3.0 standard. Kaili2 Motherboard USB 3.0 pinout ‎07-15-2019 11:56 AM If none of this is an option you could use the rear usb connections and connect a usb hub which would give you more connections than just the …

Samsung Electronics announced support of USB 3.0 with its ARM-based Exynos 5 Dual platform intended for handheld devices.

[45][46][47], USB 3.0 devices and cables may interfere with wireless devices operating in the 2.4 GHz ISM band. That way, USB 3.0 Micro-A host connector preserved its backward compatibility with the USB 1.x/2.0 Micro-B cable plugs. [10]:sections and There is also a Micro-AB receptacle (socket) that can mate with both USB Micro-A and USB Micro-B plugs. This type of A to A cable is not intended to connect two computers together or to connect a USB hub between two computers, especially because both computers would provide 5V to the power lines on the cables and this could result in both power supplies being connected together, and other issues.

Data transfer speeds have risen, and the requirement for smaller connectors has increased. [15] To ensure compatibility between motherboards and peripherals, all USB-certified devices must be approved by the USB Implementers Forum (USB-IF).

As of April 2011, the Inspiron and Dell XPS series were available with USB 3.0 ports, and, as of May 2012, the Dell Latitude laptop series were as well; yet the USB root hosts failed to work at SuperSpeed under Windows 8. USB is a serial bus. However, the USB micro has largely replaced the mini in recent years, and USB-C may soon replace the micro..

[63][64][65], In February 2019, USB-IF simplified the marketing guidelines and required the SuperSpeed trident logos to include maximum transfer speed. Intel released its first chipset with integrated USB 3.0 ports in 2012 with the release of the Panther Point chipset. [23][24], The Linux kernel mainline contains support for USB 3.0 since version 2.6.31, which was released in September 2009. [17], The USB Promoter Group announced the release of USB 3.0 on November 2008. The pinouts for the 10 pin micro-B USB 3.0 plug connector are: Micro-USB 3.0 cable pinout; Micro-USB 3.0 connector pinout Although the number of USB connector and cable types is increasing, there is normally not to much of an issue in finding the right cable for connecting the right items together. USB 2.0 Type A and USB 1.1 Type A connectors are often black, but this is not always the case. Our software allows you monitor, log, debug and test any your RS232 or COM ports. The maximum cable length is not specified in the document, length is defined as still meeting the other electrical requirements. What might be referred to as the socket, is the female connector or receptacle, although it is often referred to as the port. The USB device that uses full speed bandwidth devices must have a twisted pair D+ and D- conductors. It preserves existing USB 3.1 SuperSpeed and SuperSpeed+ data modes and introduces two new SuperSpeed+ transfer modes over the USB-C connector using two-lane operation, with data rates of 10 and 20 Gbit/s (1250 and 2500 MB/s). Apart from the USB connector pinouts, the table also gives the wire colours used within the cables. The USB 3.0 specification is similar to USB 2.0, but with many improvements and an alternative implementation. Gigabyte P55A-UD7 or the Asus P7P55D-E Premium) used a channel bonding technique (in the case of those boards provided by a PLX PEX8608 or PEX8613 PCI Express switch) that combines two PCI Express 2.5 GT/s lanes into a single PCI Express 5 GT/s lane (among other features), thus obtaining the necessary bandwidth from the PCH. The USB cable provides four pathways- two power conductors and two twisted signal conductors. USB 3.0 Type A connectors are often, but not always, the coloured blue - look for the plastic lip within the connector itself.

[22] On 4 January 2010, Seagate announced a small portable HDD bundled with an additional USB 3.0 ExpressCard, targeted for laptops (or desktops with ExpressCard slot addition) at the CES in Las Vegas Nevada. This is a principle of backward compatibility. [13] This move effectively opened the specification to hardware developers for implementation in future products. This gives USB 3.0 a potential total bidirectional bandwidth twenty times greater than USB 2.0.[9].

The Micro-USB plugs have a similar width and approximately half the thickness of their Mini-USB counterparts. Because of this, the majority of USB applications require an A to B cable. The main power and ground wires should use wires of between 20 and 28 gauge. Manufacturers of USB 3.0 host controllers include, but are not limited to, Renesas Electronics, Fresco Logic, ASMedia, Etron, VIA Technologies, Texas Instruments, NEC and Nvidia.

A USB 3.0 Standard-A receptacle accepts either a USB 3.0 Standard-A plug or a USB 2.0 Standard-A plug. How to buy best USB hub. Backward compatibility applies to connecting a USB 2.0 Standard-B plug into a USB 3.0 Standard-B receptacle. Note the only change between the standard-A and standard-B are the SuperSpeed lines.

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